Rich in Vitamin C

Fresh blackberries contain 30.2 milligrams of vitamin C, per onecup serving, which is just more than 40 percent of the recommended 75 milligrams per day for adult women and about 33 percent of the daily recommended intake of 90 milligrams for adult men. The body doesnt store vitamin C, so its important to get enough through your diet or supplementation. Eating blackberries regularly gives you a good start on your daily needs of this vitamin that helps your body make collagen for healthy skin, cartilage and blood vessels.